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MrRa [10]
3 years ago
14

The 6 in the number 6,140 has a value __-- 648. times greater than the 6 in the number

Mathematics
1 answer:
nevsk [136]3 years ago
6 0

Answer:

1,000 because it's in the thousands place

Step-by-step explanation:

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nadezda [96]

3x - 5 = 10 or 3 × 5 - 5 = 10


y ÷ x - 4 = 14 or 36 ÷ 2 - 4 = 14

3 0
3 years ago
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Betty had a score of an 80 on her first quiz and a score of an 88 on her second quiz. what is the percent?
lana [24]
80 + 88 = 168 then 168 divided by 2 (cause there were two quizzes) = 84%
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4 0
3 years ago
Barbara drives between Miami, Florida and West Palm Beach, Florida. she drives 45 miles in clear weather and then encounters a t
WINSTONCH [101]

Answer:

Barbara's speed in clear weather is 60mph and in the thunderstorm is 38mph.

Step-by-step explanation:

Let v_1 be the speed and  t_1 be the time Barbara drives in clear weather, and let v_2 be the speed and t_2 be the time she drives in the thunderstorm.

Barbara drives 22 mph lower in the thunderstorm than in the clear weather; therefore,

(1). v_2 = v_1 -22

Also,

(2). v_1t_1 = 45miles

(3). v_2 t_2 = 57,

and

(4). t_1+t_2 = 2.25hr

From equations (2) and (3) we get:

t_1 = \dfrac{45}{v_1}

t_2 =\dfrac{57}{v_2}

putting these in equation (4) we get:

\dfrac{45}{v_1}+\dfrac{57}{v_2}=2.25

and substituting for v_2 from equation (1) we get:

\dfrac{45}{v_1}+\dfrac{57}{v_1-22}=2.25

This equation can be rewritten as

2.25v_1^2-151.5v_1+990=0

which has solutions

v_1 = 60

v_1 = 7.33

We take the first solution v_1 =60 because it gives a positive value for v_2:

v_2 = v_1 -22

v_2 = 60 -22\\

v_2 = 38.

Thus, Barbara's speed in clear weather is 60mph and in the thunderstorm is 38mph.

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3 years ago
A segment has endpoints at (-2,3) and (7,9), How long is the segment?
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3 years ago
Find the value of x and y
NISA [10]
The answer is C. For sure
3 0
3 years ago
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